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Merged branch 'dev_native' into lm_sla_supports_auto

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Added igl library files
This commit is contained in:
Lukas Matena 2018-10-26 15:45:52 +02:00
commit 7681d00ee5
2865 changed files with 142806 additions and 22325 deletions
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src/igl/setunion.cpp Normal file
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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2016 Alec Jacobson <alecjacobson@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#include "setunion.h"
#include "unique.h"
template <
typename DerivedA,
typename DerivedB,
typename DerivedC,
typename DerivedIA,
typename DerivedIB>
IGL_INLINE void igl::setunion(
const Eigen::DenseBase<DerivedA> & A,
const Eigen::DenseBase<DerivedB> & B,
Eigen::PlainObjectBase<DerivedC> & C,
Eigen::PlainObjectBase<DerivedIA> & IA,
Eigen::PlainObjectBase<DerivedIB> & IB)
{
DerivedC CS(A.size()+B.size(),1);
{
int k = 0;
for(int j = 0;j<A.cols();j++)
{
for(int i = 0;i<A.rows();i++)
{
CS(k++) = A(i,j);
}
}
for(int j = 0;j<B.cols();j++)
{
for(int i = 0;i<B.rows();i++)
{
CS(k++) = B(i,j);
}
}
assert(k==CS.size());
}
DerivedIA IAC;
{
DerivedIA IC;
unique(CS,C,IAC,IC);
}
const int nia = (IAC.array()<A.size()).count();
IA.resize(nia);
IB.resize(IAC.size() - nia);
{
int ka = 0;
int kb = 0;
for(int i = 0;i<IAC.size();i++)
{
if(IAC(i)<A.size())
{
IA(ka++) = IAC(i);
}else
{
IB(kb++) = IAC(i)-A.size();
}
}
assert(ka == IA.size());
assert(kb == IB.size());
}
}
#ifdef IGL_STATIC_LIBRARY
// Explicit template instantiation
// generated by autoexplicit.sh
template void igl::setunion<Eigen::Matrix<int, -1, 1, 0, -1, 1>, Eigen::Matrix<int, -1, 1, 0, -1, 1>, Eigen::Matrix<int, -1, 1, 0, -1, 1>, Eigen::Matrix<int, -1, 1, 0, -1, 1>, Eigen::Matrix<int, -1, 1, 0, -1, 1> >(Eigen::DenseBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> > const&, Eigen::DenseBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> >&);
#endif